diff --git a/package.json b/package.json
index 56501266b..fee512c7f 100644
--- a/package.json
+++ b/package.json
@@ -173,6 +173,7 @@
 		"uuid": "3.2.1",
 		"vhost": "3.0.2",
 		"vue": "^2.5.13",
+		"vue-js-modal": "^1.3.9",
 		"vue-loader": "^14.1.1",
 		"vue-router": "^3.0.1",
 		"vue-template-compiler": "^2.5.13",
diff --git a/src/web/app/common/-tags/signin.tag b/src/web/app/common/-tags/signin.tag
deleted file mode 100644
index 89213d1f7..000000000
--- a/src/web/app/common/-tags/signin.tag
+++ /dev/null
@@ -1,155 +0,0 @@
-<mk-signin>
-	<form :class="{ signing: signing }" onsubmit={ onsubmit }>
-		<label class="user-name">
-			<input ref="username" type="text" pattern="^[a-zA-Z0-9-]+$" placeholder="%i18n:common.tags.mk-signin.username%" autofocus="autofocus" required="required" oninput={ oninput }/>%fa:at%
-		</label>
-		<label class="password">
-			<input ref="password" type="password" placeholder="%i18n:common.tags.mk-signin.password%" required="required"/>%fa:lock%
-		</label>
-		<label class="token" v-if="user && user.two_factor_enabled">
-			<input ref="token" type="number" placeholder="%i18n:common.tags.mk-signin.token%" required="required"/>%fa:lock%
-		</label>
-		<button type="submit" disabled={ signing }>{ signing ? '%i18n:common.tags.mk-signin.signing-in%' : '%i18n:common.tags.mk-signin.signin%' }</button>
-	</form>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-
-			> form
-				display block
-				z-index 2
-
-				&.signing
-					&, *
-						cursor wait !important
-
-				label
-					display block
-					margin 12px 0
-
-					[data-fa]
-						display block
-						pointer-events none
-						position absolute
-						bottom 0
-						top 0
-						left 0
-						z-index 1
-						margin auto
-						padding 0 16px
-						height 1em
-						color #898786
-
-					input[type=text]
-					input[type=password]
-					input[type=number]
-						user-select text
-						display inline-block
-						cursor auto
-						padding 0 0 0 38px
-						margin 0
-						width 100%
-						line-height 44px
-						font-size 1em
-						color rgba(0, 0, 0, 0.7)
-						background #fff
-						outline none
-						border solid 1px #eee
-						border-radius 4px
-
-						&:hover
-							background rgba(255, 255, 255, 0.7)
-							border-color #ddd
-
-							& + i
-								color #797776
-
-						&:focus
-							background #fff
-							border-color #ccc
-
-							& + i
-								color #797776
-
-				[type=submit]
-					cursor pointer
-					padding 16px
-					margin -6px 0 0 0
-					width 100%
-					font-size 1.2em
-					color rgba(0, 0, 0, 0.5)
-					outline none
-					border none
-					border-radius 0
-					background transparent
-					transition all .5s ease
-
-					&:hover
-						color $theme-color
-						transition all .2s ease
-
-					&:focus
-						color $theme-color
-						transition all .2s ease
-
-					&:active
-						color darken($theme-color, 30%)
-						transition all .2s ease
-
-					&:disabled
-						opacity 0.7
-
-	</style>
-	<script lang="typescript">
-		this.mixin('api');
-
-		this.user = null;
-		this.signing = false;
-
-		this.oninput = () => {
-			this.api('users/show', {
-				username: this.$refs.username.value
-			}).then(user => {
-				this.user = user;
-				this.$emit('user', user);
-				this.update();
-			});
-		};
-
-		this.onsubmit = e => {
-			e.preventDefault();
-
-			if (this.$refs.username.value == '') {
-				this.$refs.username.focus();
-				return false;
-			}
-			if (this.$refs.password.value == '') {
-				this.$refs.password.focus();
-				return false;
-			}
-			if (this.user && this.user.two_factor_enabled && this.$refs.token.value == '') {
-				this.$refs.token.focus();
-				return false;
-			}
-
-			this.update({
-				signing: true
-			});
-
-			this.api('signin', {
-				username: this.$refs.username.value,
-				password: this.$refs.password.value,
-				token: this.user && this.user.two_factor_enabled ? this.$refs.token.value : undefined
-			}).then(() => {
-				location.reload();
-			}).catch(() => {
-				alert('something happened');
-				this.update({
-					signing: false
-				});
-			});
-
-			return false;
-		};
-	</script>
-</mk-signin>
diff --git a/src/web/app/common/-tags/signup.tag b/src/web/app/common/-tags/signup.tag
deleted file mode 100644
index 99be10609..000000000
--- a/src/web/app/common/-tags/signup.tag
+++ /dev/null
@@ -1,307 +0,0 @@
-<mk-signup>
-	<form onsubmit={ onsubmit } autocomplete="off">
-		<label class="username">
-			<p class="caption">%fa:at%%i18n:common.tags.mk-signup.username%</p>
-			<input ref="username" type="text" pattern="^[a-zA-Z0-9-]{3,20}$" placeholder="a~z、A~Z、0~9、-" autocomplete="off" required="required" onkeyup={ onChangeUsername }/>
-			<p class="profile-page-url-preview" v-if="refs.username.value != '' && username-state != 'invalidFormat' && username-state != 'minRange' && username-state != 'maxRange'">{ _URL_ + '/' + refs.username.value }</p>
-			<p class="info" v-if="usernameState == 'wait'" style="color:#999">%fa:spinner .pulse .fw%%i18n:common.tags.mk-signup.checking%</p>
-			<p class="info" v-if="usernameState == 'ok'" style="color:#3CB7B5">%fa:check .fw%%i18n:common.tags.mk-signup.available%</p>
-			<p class="info" v-if="usernameState == 'unavailable'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.unavailable%</p>
-			<p class="info" v-if="usernameState == 'error'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.error%</p>
-			<p class="info" v-if="usernameState == 'invalid-format'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.invalid-format%</p>
-			<p class="info" v-if="usernameState == 'min-range'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.too-short%</p>
-			<p class="info" v-if="usernameState == 'max-range'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.too-long%</p>
-		</label>
-		<label class="password">
-			<p class="caption">%fa:lock%%i18n:common.tags.mk-signup.password%</p>
-			<input ref="password" type="password" placeholder="%i18n:common.tags.mk-signup.password-placeholder%" autocomplete="off" required="required" onkeyup={ onChangePassword }/>
-			<div class="meter" v-if="passwordStrength != ''" data-strength={ passwordStrength }>
-				<div class="value" ref="passwordMetar"></div>
-			</div>
-			<p class="info" v-if="passwordStrength == 'low'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.weak-password%</p>
-			<p class="info" v-if="passwordStrength == 'medium'" style="color:#3CB7B5">%fa:check .fw%%i18n:common.tags.mk-signup.normal-password%</p>
-			<p class="info" v-if="passwordStrength == 'high'" style="color:#3CB7B5">%fa:check .fw%%i18n:common.tags.mk-signup.strong-password%</p>
-		</label>
-		<label class="retype-password">
-			<p class="caption">%fa:lock%%i18n:common.tags.mk-signup.password%(%i18n:common.tags.mk-signup.retype%)</p>
-			<input ref="passwordRetype" type="password" placeholder="%i18n:common.tags.mk-signup.retype-placeholder%" autocomplete="off" required="required" onkeyup={ onChangePasswordRetype }/>
-			<p class="info" v-if="passwordRetypeState == 'match'" style="color:#3CB7B5">%fa:check .fw%%i18n:common.tags.mk-signup.password-matched%</p>
-			<p class="info" v-if="passwordRetypeState == 'not-match'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.password-not-matched%</p>
-		</label>
-		<label class="recaptcha">
-			<p class="caption"><template v-if="recaptchaed">%fa:toggle-on%</template><template v-if="!recaptchaed">%fa:toggle-off%</template>%i18n:common.tags.mk-signup.recaptcha%</p>
-			<div v-if="recaptcha" class="g-recaptcha" data-callback="onRecaptchaed" data-expired-callback="onRecaptchaExpired" data-sitekey={ recaptcha.site_key }></div>
-		</label>
-		<label class="agree-tou">
-			<input name="agree-tou" type="checkbox" autocomplete="off" required="required"/>
-			<p><a href={ touUrl } target="_blank">利用規約</a>に同意する</p>
-		</label>
-		<button @click="onsubmit">%i18n:common.tags.mk-signup.create%</button>
-	</form>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-			min-width 302px
-			overflow hidden
-
-			> form
-
-				label
-					display block
-					margin 16px 0
-
-					> .caption
-						margin 0 0 4px 0
-						color #828888
-						font-size 0.95em
-
-						> [data-fa]
-							margin-right 0.25em
-							color #96adac
-
-					> .info
-						display block
-						margin 4px 0
-						font-size 0.8em
-
-						> [data-fa]
-							margin-right 0.3em
-
-					&.username
-						.profile-page-url-preview
-							display block
-							margin 4px 8px 0 4px
-							font-size 0.8em
-							color #888
-
-							&:empty
-								display none
-
-							&:not(:empty) + .info
-								margin-top 0
-
-					&.password
-						.meter
-							display block
-							margin-top 8px
-							width 100%
-							height 8px
-
-							&[data-strength='']
-								display none
-
-							&[data-strength='low']
-								> .value
-									background #d73612
-
-							&[data-strength='medium']
-								> .value
-									background #d7ca12
-
-							&[data-strength='high']
-								> .value
-									background #61bb22
-
-							> .value
-								display block
-								width 0%
-								height 100%
-								background transparent
-								border-radius 4px
-								transition all 0.1s ease
-
-				[type=text], [type=password]
-					user-select text
-					display inline-block
-					cursor auto
-					padding 0 12px
-					margin 0
-					width 100%
-					line-height 44px
-					font-size 1em
-					color #333 !important
-					background #fff !important
-					outline none
-					border solid 1px rgba(0, 0, 0, 0.1)
-					border-radius 4px
-					box-shadow 0 0 0 114514px #fff inset
-					transition all .3s ease
-
-					&:hover
-						border-color rgba(0, 0, 0, 0.2)
-						transition all .1s ease
-
-					&:focus
-						color $theme-color !important
-						border-color $theme-color
-						box-shadow 0 0 0 1024px #fff inset, 0 0 0 4px rgba($theme-color, 10%)
-						transition all 0s ease
-
-					&:disabled
-						opacity 0.5
-
-				.agree-tou
-					padding 4px
-					border-radius 4px
-
-					&:hover
-						background #f4f4f4
-
-					&:active
-						background #eee
-
-					&, *
-						cursor pointer
-
-					p
-						display inline
-						color #555
-
-				button
-					margin 0 0 32px 0
-					padding 16px
-					width 100%
-					font-size 1em
-					color #fff
-					background $theme-color
-					border-radius 3px
-
-					&:hover
-						background lighten($theme-color, 5%)
-
-					&:active
-						background darken($theme-color, 5%)
-
-	</style>
-	<script lang="typescript">
-		this.mixin('api');
-		const getPasswordStrength = require('syuilo-password-strength');
-
-		this.usernameState = null;
-		this.passwordStrength = '';
-		this.passwordRetypeState = null;
-		this.recaptchaed = false;
-
-		this.aboutUrl = `${_DOCS_URL_}/${_LANG_}/tou`;
-
-		window.onRecaptchaed = () => {
-			this.recaptchaed = true;
-			this.update();
-		};
-
-		window.onRecaptchaExpired = () => {
-			this.recaptchaed = false;
-			this.update();
-		};
-
-		this.on('mount', () => {
-			this.update({
-				recaptcha: {
-					site_key: _RECAPTCHA_SITEKEY_
-				}
-			});
-
-			const head = document.getElementsByTagName('head')[0];
-			const script = document.createElement('script');
-			script.setAttribute('src', 'https://www.google.com/recaptcha/api.js');
-			head.appendChild(script);
-		});
-
-		this.onChangeUsername = () => {
-			const username = this.$refs.username.value;
-
-			if (username == '') {
-				this.update({
-					usernameState: null
-				});
-				return;
-			}
-
-			const err =
-				!username.match(/^[a-zA-Z0-9\-]+$/) ? 'invalid-format' :
-				username.length < 3 ? 'min-range' :
-				username.length > 20 ? 'max-range' :
-				null;
-
-			if (err) {
-				this.update({
-					usernameState: err
-				});
-				return;
-			}
-
-			this.update({
-				usernameState: 'wait'
-			});
-
-			this.api('username/available', {
-				username: username
-			}).then(result => {
-				this.update({
-					usernameState: result.available ? 'ok' : 'unavailable'
-				});
-			}).catch(err => {
-				this.update({
-					usernameState: 'error'
-				});
-			});
-		};
-
-		this.onChangePassword = () => {
-			const password = this.$refs.password.value;
-
-			if (password == '') {
-				this.passwordStrength = '';
-				return;
-			}
-
-			const strength = getPasswordStrength(password);
-			this.passwordStrength = strength > 0.7 ? 'high' : strength > 0.3 ? 'medium' : 'low';
-			this.update();
-			this.$refs.passwordMetar.style.width = `${strength * 100}%`;
-		};
-
-		this.onChangePasswordRetype = () => {
-			const password = this.$refs.password.value;
-			const retypedPassword = this.$refs.passwordRetype.value;
-
-			if (retypedPassword == '') {
-				this.passwordRetypeState = null;
-				return;
-			}
-
-			this.passwordRetypeState = password == retypedPassword ? 'match' : 'not-match';
-		};
-
-		this.onsubmit = e => {
-			e.preventDefault();
-
-			const username = this.$refs.username.value;
-			const password = this.$refs.password.value;
-
-			const locker = document.body.appendChild(document.createElement('mk-locker'));
-
-			this.api('signup', {
-				username: username,
-				password: password,
-				'g-recaptcha-response': grecaptcha.getResponse()
-			}).then(() => {
-				this.api('signin', {
-					username: username,
-					password: password
-				}).then(() => {
-					location.href = '/';
-				});
-			}).catch(() => {
-				alert('%i18n:common.tags.mk-signup.some-error%');
-
-				grecaptcha.reset();
-				this.recaptchaed = false;
-
-				locker.parentNode.removeChild(locker);
-			});
-
-			return false;
-		};
-	</script>
-</mk-signup>
diff --git a/src/web/app/common/views/components/index.ts b/src/web/app/common/views/components/index.ts
new file mode 100644
index 000000000..b1c5df819
--- /dev/null
+++ b/src/web/app/common/views/components/index.ts
@@ -0,0 +1,7 @@
+import Vue from 'vue';
+
+import signin from './signin.vue';
+import signup from './signup.vue';
+
+Vue.component('mk-signin', signin);
+Vue.component('mk-signup', signup);
diff --git a/src/web/app/common/tags/poll.vue b/src/web/app/common/views/components/poll.vue
similarity index 100%
rename from src/web/app/common/tags/poll.vue
rename to src/web/app/common/views/components/poll.vue
diff --git a/src/web/app/common/tags/reaction-icon.vue b/src/web/app/common/views/components/reaction-icon.vue
similarity index 100%
rename from src/web/app/common/tags/reaction-icon.vue
rename to src/web/app/common/views/components/reaction-icon.vue
diff --git a/src/web/app/common/tags/reaction-picker.vue b/src/web/app/common/views/components/reaction-picker.vue
similarity index 100%
rename from src/web/app/common/tags/reaction-picker.vue
rename to src/web/app/common/views/components/reaction-picker.vue
diff --git a/src/web/app/common/tags/reactions-viewer.vue b/src/web/app/common/views/components/reactions-viewer.vue
similarity index 100%
rename from src/web/app/common/tags/reactions-viewer.vue
rename to src/web/app/common/views/components/reactions-viewer.vue
diff --git a/src/web/app/common/views/components/signin.vue b/src/web/app/common/views/components/signin.vue
new file mode 100644
index 000000000..5ffc518b3
--- /dev/null
+++ b/src/web/app/common/views/components/signin.vue
@@ -0,0 +1,138 @@
+<template>
+<form class="form" :class="{ signing: signing }" @submit.prevent="onSubmit">
+	<label class="user-name">
+		<input v-model="username" type="text" pattern="^[a-zA-Z0-9-]+$" placeholder="%i18n:common.tags.mk-signin.username%" autofocus required @change="onUsernameChange"/>%fa:at%
+	</label>
+	<label class="password">
+		<input v-model="password" type="password" placeholder="%i18n:common.tags.mk-signin.password%" required/>%fa:lock%
+	</label>
+	<label class="token" v-if="user && user.two_factor_enabled">
+		<input v-model="token" type="number" placeholder="%i18n:common.tags.mk-signin.token%" required/>%fa:lock%
+	</label>
+	<button type="submit" disabled={ signing }>{ signing ? '%i18n:common.tags.mk-signin.signing-in%' : '%i18n:common.tags.mk-signin.signin%' }</button>
+</form>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+
+export default Vue.extend({
+	props: ['os'],
+	data() {
+		return {
+			signing: false,
+			user: null
+		};
+	},
+	methods: {
+		onUsernameChange() {
+			this.os.api('users/show', {
+				username: this.username
+			}).then(user => {
+				this.user = user;
+			});
+		},
+		onSubmit() {
+			this.signing = true;
+
+			this.os.api('signin', {
+				username: this.username,
+				password: this.password,
+				token: this.user && this.user.two_factor_enabled ? this.token : undefined
+			}).then(() => {
+				location.reload();
+			}).catch(() => {
+				alert('something happened');
+				this.signing = false;
+			});
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+.form
+	display block
+	z-index 2
+
+	&.signing
+		&, *
+			cursor wait !important
+
+	label
+		display block
+		margin 12px 0
+
+		[data-fa]
+			display block
+			pointer-events none
+			position absolute
+			bottom 0
+			top 0
+			left 0
+			z-index 1
+			margin auto
+			padding 0 16px
+			height 1em
+			color #898786
+
+		input[type=text]
+		input[type=password]
+		input[type=number]
+			user-select text
+			display inline-block
+			cursor auto
+			padding 0 0 0 38px
+			margin 0
+			width 100%
+			line-height 44px
+			font-size 1em
+			color rgba(0, 0, 0, 0.7)
+			background #fff
+			outline none
+			border solid 1px #eee
+			border-radius 4px
+
+			&:hover
+				background rgba(255, 255, 255, 0.7)
+				border-color #ddd
+
+				& + i
+					color #797776
+
+			&:focus
+				background #fff
+				border-color #ccc
+
+				& + i
+					color #797776
+
+	[type=submit]
+		cursor pointer
+		padding 16px
+		margin -6px 0 0 0
+		width 100%
+		font-size 1.2em
+		color rgba(0, 0, 0, 0.5)
+		outline none
+		border none
+		border-radius 0
+		background transparent
+		transition all .5s ease
+
+		&:hover
+			color $theme-color
+			transition all .2s ease
+
+		&:focus
+			color $theme-color
+			transition all .2s ease
+
+		&:active
+			color darken($theme-color, 30%)
+			transition all .2s ease
+
+		&:disabled
+			opacity 0.7
+
+</style>
diff --git a/src/web/app/common/views/components/signup.vue b/src/web/app/common/views/components/signup.vue
new file mode 100644
index 000000000..1734f7731
--- /dev/null
+++ b/src/web/app/common/views/components/signup.vue
@@ -0,0 +1,331 @@
+<template>
+<form @submit.prevent="onSubmit" autocomplete="off">
+	<label class="username">
+		<p class="caption">%fa:at%%i18n:common.tags.mk-signup.username%</p>
+		<input v-model="username" type="text" pattern="^[a-zA-Z0-9-]{3,20}$" placeholder="a~z、A~Z、0~9、-" autocomplete="off" required @keyup="onChangeUsername"/>
+		<p class="profile-page-url-preview" v-if="refs.username.value != '' && username-state != 'invalidFormat' && username-state != 'minRange' && username-state != 'maxRange'">{ _URL_ + '/' + refs.username.value }</p>
+		<p class="info" v-if="usernameState == 'wait'" style="color:#999">%fa:spinner .pulse .fw%%i18n:common.tags.mk-signup.checking%</p>
+		<p class="info" v-if="usernameState == 'ok'" style="color:#3CB7B5">%fa:check .fw%%i18n:common.tags.mk-signup.available%</p>
+		<p class="info" v-if="usernameState == 'unavailable'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.unavailable%</p>
+		<p class="info" v-if="usernameState == 'error'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.error%</p>
+		<p class="info" v-if="usernameState == 'invalid-format'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.invalid-format%</p>
+		<p class="info" v-if="usernameState == 'min-range'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.too-short%</p>
+		<p class="info" v-if="usernameState == 'max-range'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.too-long%</p>
+	</label>
+	<label class="password">
+		<p class="caption">%fa:lock%%i18n:common.tags.mk-signup.password%</p>
+		<input v-model="password" type="password" placeholder="%i18n:common.tags.mk-signup.password-placeholder%" autocomplete="off" required @keyup="onChangePassword"/>
+		<div class="meter" v-if="passwordStrength != ''" :data-strength="passwordStrength">
+			<div class="value" ref="passwordMetar"></div>
+		</div>
+		<p class="info" v-if="passwordStrength == 'low'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.weak-password%</p>
+		<p class="info" v-if="passwordStrength == 'medium'" style="color:#3CB7B5">%fa:check .fw%%i18n:common.tags.mk-signup.normal-password%</p>
+		<p class="info" v-if="passwordStrength == 'high'" style="color:#3CB7B5">%fa:check .fw%%i18n:common.tags.mk-signup.strong-password%</p>
+	</label>
+	<label class="retype-password">
+		<p class="caption">%fa:lock%%i18n:common.tags.mk-signup.password%(%i18n:common.tags.mk-signup.retype%)</p>
+		<input v-model="passwordRetype" type="password" placeholder="%i18n:common.tags.mk-signup.retype-placeholder%" autocomplete="off" required @keyup="onChangePasswordRetype"/>
+		<p class="info" v-if="passwordRetypeState == 'match'" style="color:#3CB7B5">%fa:check .fw%%i18n:common.tags.mk-signup.password-matched%</p>
+		<p class="info" v-if="passwordRetypeState == 'not-match'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:common.tags.mk-signup.password-not-matched%</p>
+	</label>
+	<label class="recaptcha">
+		<p class="caption"><template v-if="recaptchaed">%fa:toggle-on%</template><template v-if="!recaptchaed">%fa:toggle-off%</template>%i18n:common.tags.mk-signup.recaptcha%</p>
+		<div v-if="recaptcha" class="g-recaptcha" data-callback="onRecaptchaed" data-expired-callback="onRecaptchaExpired" data-sitekey="recaptcha.site_key"></div>
+	</label>
+	<label class="agree-tou">
+		<input name="agree-tou" type="checkbox" autocomplete="off" required/>
+		<p><a :href="touUrl" target="_blank">利用規約</a>に同意する</p>
+	</label>
+	<button type="submit">%i18n:common.tags.mk-signup.create%</button>
+</form>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+const getPasswordStrength = require('syuilo-password-strength');
+import
+
+const aboutUrl = `${_DOCS_URL_}/${_LANG_}/tou`;
+
+export default Vue.extend({
+	methods: {
+		onSubmit() {
+
+		}
+	},
+	mounted() {
+		const head = document.getElementsByTagName('head')[0];
+		const script = document.createElement('script');
+		script.setAttribute('src', 'https://www.google.com/recaptcha/api.js');
+		head.appendChild(script);
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+	:scope
+		display block
+		min-width 302px
+		overflow hidden
+
+		> form
+
+			label
+				display block
+				margin 16px 0
+
+				> .caption
+					margin 0 0 4px 0
+					color #828888
+					font-size 0.95em
+
+					> [data-fa]
+						margin-right 0.25em
+						color #96adac
+
+				> .info
+					display block
+					margin 4px 0
+					font-size 0.8em
+
+					> [data-fa]
+						margin-right 0.3em
+
+				&.username
+					.profile-page-url-preview
+						display block
+						margin 4px 8px 0 4px
+						font-size 0.8em
+						color #888
+
+						&:empty
+							display none
+
+						&:not(:empty) + .info
+							margin-top 0
+
+				&.password
+					.meter
+						display block
+						margin-top 8px
+						width 100%
+						height 8px
+
+						&[data-strength='']
+							display none
+
+						&[data-strength='low']
+							> .value
+								background #d73612
+
+						&[data-strength='medium']
+							> .value
+								background #d7ca12
+
+						&[data-strength='high']
+							> .value
+								background #61bb22
+
+						> .value
+							display block
+							width 0%
+							height 100%
+							background transparent
+							border-radius 4px
+							transition all 0.1s ease
+
+			[type=text], [type=password]
+				user-select text
+				display inline-block
+				cursor auto
+				padding 0 12px
+				margin 0
+				width 100%
+				line-height 44px
+				font-size 1em
+				color #333 !important
+				background #fff !important
+				outline none
+				border solid 1px rgba(0, 0, 0, 0.1)
+				border-radius 4px
+				box-shadow 0 0 0 114514px #fff inset
+				transition all .3s ease
+
+				&:hover
+					border-color rgba(0, 0, 0, 0.2)
+					transition all .1s ease
+
+				&:focus
+					color $theme-color !important
+					border-color $theme-color
+					box-shadow 0 0 0 1024px #fff inset, 0 0 0 4px rgba($theme-color, 10%)
+					transition all 0s ease
+
+				&:disabled
+					opacity 0.5
+
+			.agree-tou
+				padding 4px
+				border-radius 4px
+
+				&:hover
+					background #f4f4f4
+
+				&:active
+					background #eee
+
+				&, *
+					cursor pointer
+
+				p
+					display inline
+					color #555
+
+			button
+				margin 0 0 32px 0
+				padding 16px
+				width 100%
+				font-size 1em
+				color #fff
+				background $theme-color
+				border-radius 3px
+
+				&:hover
+					background lighten($theme-color, 5%)
+
+				&:active
+					background darken($theme-color, 5%)
+
+</style>
+
+<script lang="typescript">
+	this.mixin('api');
+
+
+	this.usernameState = null;
+	this.passwordStrength = '';
+	this.passwordRetypeState = null;
+	this.recaptchaed = false;
+
+	this.aboutUrl = `${_DOCS_URL_}/${_LANG_}/tou`;
+
+	window.onRecaptchaed = () => {
+		this.recaptchaed = true;
+		this.update();
+	};
+
+	window.onRecaptchaExpired = () => {
+		this.recaptchaed = false;
+		this.update();
+	};
+
+	this.on('mount', () => {
+		this.update({
+			recaptcha: {
+				site_key: _RECAPTCHA_SITEKEY_
+			}
+		});
+
+		const head = document.getElementsByTagName('head')[0];
+		const script = document.createElement('script');
+		script.setAttribute('src', 'https://www.google.com/recaptcha/api.js');
+		head.appendChild(script);
+	});
+
+	this.onChangeUsername = () => {
+		const username = this.$refs.username.value;
+
+		if (username == '') {
+			this.update({
+				usernameState: null
+			});
+			return;
+		}
+
+		const err =
+			!username.match(/^[a-zA-Z0-9\-]+$/) ? 'invalid-format' :
+			username.length < 3 ? 'min-range' :
+			username.length > 20 ? 'max-range' :
+			null;
+
+		if (err) {
+			this.update({
+				usernameState: err
+			});
+			return;
+		}
+
+		this.update({
+			usernameState: 'wait'
+		});
+
+		this.api('username/available', {
+			username: username
+		}).then(result => {
+			this.update({
+				usernameState: result.available ? 'ok' : 'unavailable'
+			});
+		}).catch(err => {
+			this.update({
+				usernameState: 'error'
+			});
+		});
+	};
+
+	this.onChangePassword = () => {
+		const password = this.$refs.password.value;
+
+		if (password == '') {
+			this.passwordStrength = '';
+			return;
+		}
+
+		const strength = getPasswordStrength(password);
+		this.passwordStrength = strength > 0.7 ? 'high' : strength > 0.3 ? 'medium' : 'low';
+		this.update();
+		this.$refs.passwordMetar.style.width = `${strength * 100}%`;
+	};
+
+	this.onChangePasswordRetype = () => {
+		const password = this.$refs.password.value;
+		const retypedPassword = this.$refs.passwordRetype.value;
+
+		if (retypedPassword == '') {
+			this.passwordRetypeState = null;
+			return;
+		}
+
+		this.passwordRetypeState = password == retypedPassword ? 'match' : 'not-match';
+	};
+
+	this.onsubmit = e => {
+		e.preventDefault();
+
+		const username = this.$refs.username.value;
+		const password = this.$refs.password.value;
+
+		const locker = document.body.appendChild(document.createElement('mk-locker'));
+
+		this.api('signup', {
+			username: username,
+			password: password,
+			'g-recaptcha-response': grecaptcha.getResponse()
+		}).then(() => {
+			this.api('signin', {
+				username: username,
+				password: password
+			}).then(() => {
+				location.href = '/';
+			});
+		}).catch(() => {
+			alert('%i18n:common.tags.mk-signup.some-error%');
+
+			grecaptcha.reset();
+			this.recaptchaed = false;
+
+			locker.parentNode.removeChild(locker);
+		});
+
+		return false;
+	};
+</script>
diff --git a/src/web/app/common/tags/stream-indicator.vue b/src/web/app/common/views/components/stream-indicator.vue
similarity index 100%
rename from src/web/app/common/tags/stream-indicator.vue
rename to src/web/app/common/views/components/stream-indicator.vue
diff --git a/src/web/app/common/tags/time.vue b/src/web/app/common/views/components/time.vue
similarity index 100%
rename from src/web/app/common/tags/time.vue
rename to src/web/app/common/views/components/time.vue
diff --git a/src/web/app/common/tags/url-preview.vue b/src/web/app/common/views/components/url-preview.vue
similarity index 100%
rename from src/web/app/common/tags/url-preview.vue
rename to src/web/app/common/views/components/url-preview.vue
diff --git a/src/web/app/common/tags/url.vue b/src/web/app/common/views/components/url.vue
similarity index 100%
rename from src/web/app/common/tags/url.vue
rename to src/web/app/common/views/components/url.vue
diff --git a/src/web/app/desktop/views/pages/welcome.vue b/src/web/app/desktop/views/pages/welcome.vue
index c0e1c0bd4..68b5f4cc9 100644
--- a/src/web/app/desktop/views/pages/welcome.vue
+++ b/src/web/app/desktop/views/pages/welcome.vue
@@ -17,105 +17,113 @@
 			<p class="c">{ _COPYRIGHT_ }</p>
 		</div>
 	</footer>
+	<modal name="signup">
+		<mk-signup/>
+	</modal>
 </div>
 </template>
 
-<style>
-	#wait {
-		right: auto;
-		left: 15px;
+<script lang="ts">
+import Vue from 'vue';
+
+export default Vue.extend({
+	methods: {
+		signup() {
+			this.$modal.show('signup');
+		}
 	}
+});
+</script>
+
+<style>
+#wait {
+	right: auto;
+	left: 15px;
+}
 </style>
 
 <style lang="stylus" scoped>
-	.root
-		display flex
-		flex-direction column
-		flex 1
-		background #eee
-		$width = 1000px
+.root
+	display flex
+	flex-direction column
+	flex 1
+	background #eee
+	$width = 1000px
 
-		> main
-			display flex
-			flex 1
+	> main
+		display flex
+		flex 1
+		max-width $width
+		margin 0 auto
+		padding 80px 0 0 0
+
+		> div:first-child
+			margin 0 auto 0 0
+			width calc(100% - 500px)
+			color #777
+
+			> h1
+				margin 0
+				font-weight normal
+				font-variant small-caps
+				letter-spacing 12px
+
+			> p
+				margin 0.5em 0
+				line-height 2em
+
+			button
+				padding 8px 16px
+				font-size inherit
+
+			.signup
+				color $theme-color
+				border solid 2px $theme-color
+				border-radius 4px
+
+				&:focus
+					box-shadow 0 0 0 3px rgba($theme-color, 0.2)
+
+				&:hover
+					color $theme-color-foreground
+					background $theme-color
+
+				&:active
+					color $theme-color-foreground
+					background darken($theme-color, 10%)
+					border-color darken($theme-color, 10%)
+
+			.signin
+				&:focus
+					color #444
+
+				&:hover
+					color #444
+
+				&:active
+					color #333
+
+		> div:last-child
+			margin 0 0 0 auto
+
+	> footer
+		background #fff
+
+		*
+			color #fff !important
+			text-shadow 0 0 8px #000
+			font-weight bold
+
+		> div
 			max-width $width
 			margin 0 auto
-			padding 80px 0 0 0
+			padding 16px 0
+			text-align center
+			border-top solid 1px #fff
 
-			> div:first-child
-				margin 0 auto 0 0
-				width calc(100% - 500px)
-				color #777
-
-				> h1
-					margin 0
-					font-weight normal
-					font-variant small-caps
-					letter-spacing 12px
-
-				> p
-					margin 0.5em 0
-					line-height 2em
-
-				button
-					padding 8px 16px
-					font-size inherit
-
-				.signup
-					color $theme-color
-					border solid 2px $theme-color
-					border-radius 4px
-
-					&:focus
-						box-shadow 0 0 0 3px rgba($theme-color, 0.2)
-
-					&:hover
-						color $theme-color-foreground
-						background $theme-color
-
-					&:active
-						color $theme-color-foreground
-						background darken($theme-color, 10%)
-						border-color darken($theme-color, 10%)
-
-				.signin
-					&:focus
-						color #444
-
-					&:hover
-						color #444
-
-					&:active
-						color #333
-
-			> div:last-child
-				margin 0 0 0 auto
-
-		> footer
-			background #fff
-
-			*
-				color #fff !important
-				text-shadow 0 0 8px #000
-				font-weight bold
-
-			> div
-				max-width $width
-				margin 0 auto
-				padding 16px 0
-				text-align center
-				border-top solid 1px #fff
-
-				> .c
-					margin 0
-					line-height 64px
-					font-size 10px
+			> .c
+				margin 0
+				line-height 64px
+				font-size 10px
 
 </style>
-
-<script lang="ts">
-import Vue from 'vue'
-export default Vue.extend({
-
-})
-</script>
diff --git a/src/web/app/init.ts b/src/web/app/init.ts
index 796a96694..20ea1df8b 100644
--- a/src/web/app/init.ts
+++ b/src/web/app/init.ts
@@ -9,8 +9,10 @@ declare const _HOST_: string;
 
 import Vue from 'vue';
 import VueRouter from 'vue-router';
+import VModal from 'vue-js-modal';
 
 Vue.use(VueRouter);
+Vue.use(VModal);
 
 import App from './app.vue';